a circular loop of wire is placed in a magnetic field so that the field points in a direction perpendicular to the plane of the loop. if the magnitude of the field is 0.621 t, and the radius of the loop is 4.37 cm, find the magnetic flux through the loop.
Answers
The magnetic flux through the loop is 0.00371 Wb.
To find the magnetic flux through the circular loop of wire, we can use the formula:
Φ = BAcosθ
where Φ is the magnetic flux, B is the magnitude of the magnetic field, A is the area of the loop, and θ is the angle between the magnetic field and the normal plane of the loop.
In this case, the field is perpendicular to the plane of the loop, so θ = 90° and cosθ = 0. Therefore, the formula simplifies to:
Φ = BA
We are given that the magnitude of the field is 0.621 T and the radius of the loop is 4.37 cm. To find the area of the loop, we can use the formula for the area of a circle:
A = πr²
where r is the radius of the circle. Substituting the values, we get:
A = π(0.0437 m)² = 0.00599 m²
Note that we converted the radius from cm to m to be consistent with the units of B (T = N/(m·s)).
Now we can calculate the magnetic flux:
Φ = BA = (0.621 T)(0.00599 m²) = 0.00371 Wb
Therefore, the magnetic flux through the loop is 0.00371 Wb.
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Related Questions
What is one way that nuclear fission and nuclear fusion are similar? A. Nuclei are split into smaller nuclei. B. Atoms are altered in both processes. C. Small nuclei combine to form larger nuclei. D. They are both used to produce electrical power.
Answers
Answer:
B. Atoms are altered in both processes
Explanation:
Answer: B. Atoms are altered in both processes
Explanation:
If we increase the amount of work being done, and all other factors remain the same, the amount of power would
Answers
Answer:
The power will increase
Explanation:
Power is the rate in which work is done or the rate of doing work
The formula for power is given as follows;
\(Power = \dfrac{Work \ done}{Time \ taken \ to \ do \ the \ work}\)
Therefore, power is directly proportional to work, and when work is increased provided all other factors remain constant, the power will be increased proportionately.
As such, for example, when the work is doubled, and the time to do the work is the same, the power has also doubled.
which would have the greatest effect on apparently reducing the speed of the geese from Diane’s perspective ?
Answers
Diana is paddling upstream.
Geese are moving downstream.
Apparent speed reduction of geese will happen according to Diana if her speed is increased.
This can be done by paddling faster upstream.
a person has a mass of 45kg. how much does she weigh on the moon, where g=3m/s^2
Answers
The person would weigh **135 N** on the moon.
Weight is the force experienced by an object due to the gravitational pull of a celestial body. It is calculated by multiplying the mass of the object by the acceleration due to gravity.
Given that the mass of the person is 45 kg and the acceleration due to gravity on the moon is 3 m/s², we can calculate the weight:
Weight = mass × acceleration due to gravity
Weight = 45 kg × 3 m/s²
Weight = 135 N
Therefore, the person would weigh 135 N on the moon.
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why do you think spiders are disliked
Answers
Answer:
it is called arachnophobia
Explanation:
most reason are they way they walk and jump and the people who know they have 4 eyes
Hope This Helped i Like Spiders (^^vv^^) (spider smiley face)
Answer:
why do you think spiders are disliked?The presence of body hair seems to be significantly associated with both fear and disgust of spiders (Davey, 1991). We suggest that the rationale for this perception (fear of hairiness) is that body hair (or fur) when standing up in many mammals occur when the animal is threatened.
Explanation:
Always remember:beluga always love answer your question by following these steps:Follow belugaask meBrainliest me first oktake note please: everyone i answer question I got happy:)please don't delete Your question beacause Brainliest Marks & pointswill be loseA rock is dropped from a bridge and hits the water 1.5 seconds later. How high is the bridge?
Answers
What is the velocity of a rocket traveling at as it goes to outer space; traveling a distance of 100 meters in 50 seconds
Answers
Based on the information that the speed
express the magnitude of the magnetic force f on the rod, in terms of the length l, current i, and magnetic field b.
Answers
The magnitude of the magnetic force (F) on a straight conducting rod can be expressed in terms of the length (l) of the rod, current (I) flowing through it, and the magnetic field (B) it is placed in.
The formula to calculate the magnetic force is given by the equation F = BIL, where B is the magnetic field strength, I is the current, and L is the length of the rod.
This equation is derived from the Lorentz force law, which states that the force experienced by a current-carrying conductor in a magnetic field is proportional to the current, magnetic field, and length of the conductor.
By multiplying the magnetic field strength (B) by the current (I) and the length (L), we can determine the magnitude of the magnetic force acting on the rod.
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John throws a ball with a velocity of 30 m/s at an angle of 60 degrees. What is the horizontal component of the velocity?
a 30 m/s
b 0 m/s
c 25.9 m/s
d 15 m/s
Answers
The horizontal component of the velocity is equal to: D. 15 m/s.
Given the following data:
Velocity = 30 m/sAngle = 60°To determine the horizontal component of the velocity:
The horizontal component of the velocity represents the influence of velocity in displacing an object or projectile in the horizontal direction.
Mathematically, the horizontal component of velocity is given by the formula:
\(V_x = Vcos(\theta)\)
Substituting the given parameters into the formula, we have;
\(\\\\V_x = 30cos(60)\\\\V_x = 30 \times 0.5\)
Horizontal component, Vx = 15 m/s
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5. Find the net force acting on the books below
Answers
The net force on an object is the combined effect of all the pushing and pulling forces actually acting on the object.
Net force acting on book is F = 4 N
The net force on an object is the combined effect of all the pushing and pulling forces actually acting on the object.
If the forces pushing or pulling on an object are not balanced then the object will accelerate in the direction of the net force
If the forces pushing or pulling on an object are balanced then the object will be in rest position.
Net force on book is,
F(net) = 7 - 3 = 4 N
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Answer:
F(net) = 7 - 3 = 4 N
Best definition of an electromagnetic wave?
A) an electromagnetic wave is a longitudinal wave with electricity
B) an electromagnetic wave is a mechanical wave
C) an electromagnetic wave is a transversal wave that has electrical and magnetic properties
Answers
Answer:
Longitudinal and mechanical waves require a medium to support their transmission:
C) is the correct answer
Can someone help me answer this??
Answers
Answer:
3,2 oky na dekh Lena ek bar2,5What is the focal length of a lens if an object placed 3.28 cm from the lens produces an image that is 1.91 cm in front of the lens?0.828cm-4.57cm-0.219cm1.21cm
Answers
Using lens equation:
\(\begin{gathered} \frac{1}{f}=\frac{1}{d_i}+\frac{1}{d_o} \\ where: \\ di=1.91 \\ d_o=3.28 \\ so: \\ \frac{1}{f}=\frac{1}{1.91}+\frac{1}{3.28} \\ so: \\ f\approx1.21cm \end{gathered}\)Answer:
1.21 cm
Describe the following mixtures by checking all of the terms that apply. Blood homogeneous heterogeneous solution colloid suspension.
Answers
A colloid is a combination in which one material is suspended throughout another substance and contains scattered insoluble particles. Blood is a colloid solution.
What is a colloidal solution?A colloid is a combination in which one material is suspended throughout another substance and contains scattered insoluble particles. The whole combination is referred to as a colloidal solution.
A colloid contains a dispersed phase a continuous phase. The colloidal mixture must either not settle or settle extremely slowly.
The above property is shown by the blood. Hence blood is a colloid solution.
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Answer:
heterogeneous , suspension
Explanation: believe me or don't idc
What happens in both hemispheres when Earth is at position c
Answers
When the Earth is at point C, Equinox happens.
In Equinox, the Sun is directly above the equitor making day and night equal in both hemispheres.
The phenomenon of water sticking to a surface, such as a window pane or
plant, is due to the water's____. A. cohesion
B. corrosion
C. obtrusion
D. adhesion
Answers
Answer:
Because of the Cohesion
Two identical resistors connected in series have an equivalent resistance of 4 ohms. The same two resistors, when connected in parallel, have an equivalent resistance of:
Answers
Answer:
1 ohm
Explanation:
since there are two identical resistors, one resistor will be
R = \(\frac{4}{2}\) =2ohm [ proven as in series \(R_{e} = 2 + 2 = 4ohm\) ]
to calculate the equivalent resistance when in parallel:
\(\frac{1}{R_{e} } = \frac{1}{R_{1} } + \frac{1}{R_{2}}\)
so,
\(\frac{1}{R_{e} } = \frac{1}{2} + \frac{1}{2}\)
\(R_{e} = 1ohm\)
Two identical resistors connected in series have an equivalent resistance of 4 ohms. The same two resistors, when connected in parallel, have an equivalent resistance of 1 ohm.
What is ohm?In a parallel circuit, voltage is thee same across each component in the circuit. The sum of the currents through each path is equal to the current from the source. However, the resistance cannot be added directly. It is calculated as:
1/Rt = 1/R1 + 1/R2 + 1/R3 1/Rt = 1/6.8 + 1/9.0 + 1/15
Rt = 3.08 ohms.
When resistors are connected in parallel, the equivalent resistance R will be less than the least resistance.
1/R = 1/R1 + 1/R2 + 1/R3 + 1/R4 + 1/R5
Since the 5 resistors are 10 ohms each, substitute them in to the formula
1/R = 1/10 + 1/10 +1/10 + 1/10 + 1/10
The LCM = 10
1/R = 5/10
Reciprocate both sides
R = 10/5 = 2 ohms
Therefore, Two identical resistors connected in series have an equivalent resistance of 4 ohms. The same two resistors, when connected in parallel, have an equivalent resistance of 1 ohm.
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looking at your spectroscope, you see several discrete, clearly defined lines. what is one possible source for this spectrum
Answers
Looking at your spectroscope, you see several discrete, clearly defined lines. The one possible source for this spectrum is fluorescent lamp.
What is fluorescent lamp?
A fluorescent lamp is a low pressure mercury lamp or discharge bulb. When the light spectrum emitting from the fluorescent bulb fall on the spectroscope, it releases several discrete lines.
In this lamp, fluorescence source is used which produces visible light when it lights up.
Moreover, a fluorescent lamp alters electrical energy into chemical energy or light more efficiently than the incandescent lamp.
Simply put, fluorescent lamps are more efficient than other lamps and are mostly used for commercial and outdoor application as they use 75% less electricity.
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What does temperature actually measure?
Answers
if you walk 8km at an average speed of 4km/h, how much time does it take
Answers
Answer:
2 hours
Explanation:
8km = 4km/h x time
Time = 2 hours
Once a tropical storm forms over the ocean, which conditions must exist in its path for it most likely to develop into a hurricane?
O warm ocean temperatures, moderate winds, and moist atmospheric layers
O cold ocean temperatures, weak winds, and dry atmospheric layers
O warm land temperatures, strong winds, and moist atmospheric layers
O cold land temperatures, moderate winds, and dry atmospheric layers
Answers
Answer:
O warm ocean temperatures, moderate winds, and moist atmospheric layers
What is the weight of a 5.5kg bowling ball
Answers
Answer:
2.205 pounds
Explanation:
5.5 kg is 2.205 lbs. hope this helps!
20 POINTSSS PLS HELP
Imagine if the Earth suddenly sped up. What do you think would happen to its orbit?
Answers
Answer:
down below
Explanation:
I assume you're asking about it's orbit around the sun. I believe the Earth's orbit around the sun would be shorter. If the Earth sped up, one can assume that means the days are shorter and the rate at which the Earth orbits the sun would also speed up.
This sounds like an open ended question, so I don't think there can be a wrong answer.
Hope this helps! :)
which will have the lowest density
A) Ice
B) Steam
C) water
Answers
Answer:
steam will have the lowest density.
Hope it will help :)
Jacinta wrote the following passage about chemical changes.A chemical change is a change that results in one or more new substances with different properties. When a chemical change occurs, the new substance can give off an odor, such as rotting fruit or cookies baking in the oven. Chemical changes can cause color changes, such as iron rusting and turning a reddish-brown color. When wood is burned or ingredients are mixed for baking a cake, a new substance is made.
Choose the best statement that Jacinta can add to her passage.
Chemical changes, such as rotting fruit and burning wood, are affected by temperature. More heat and energy causes a faster chemical change.
Wood burning and fruit rotting creates new substances through a chemical change that is affected by sound energy.
Rotting fruit and burning wood is a chemical change that occurs because there is a decrease in temperature.
Less heat causes a faster chemical change. When a chemical change occurs, the new substance that is created has properties similar to the original substance.
Answers
Answer:
Chemical changes, such as rotting fruit and burning wood, are affected by temperature. More heat and energy causes a faster chemical change.
Explanation:
The best statement that Jacinta can add to her passage is:
Chemical changes, such as rotting fruit and burning wood, are affected by temperature. More heat and energy cause a faster chemical change.
This statement is correct because temperature is a factor that influences the rate of chemical reactions. Higher temperature means more kinetic energy for the molecules, which increases the chances of collisions and bond breaking. This leads to faster chemical changes and new substances being formed. The other statements are either incorrect or irrelevant to the topic of chemical changes.
Using the statistical definition of entropy, what is the entropy of a system where W = 4?
A. 1.87 × 10–23 joules/kelvin
B. 1.56 × 10–23 joules/kelvin
C. 1.91 × 10–23 joules/kelvin
D. 2.07 × 10–23 joules/kelvin
Answers
Answer: S = 1.91x10^(-23) J/K
Explanation:
The statistical definition of entropy says that:
S = k*Ln(W)
where:
W is the number of macrostates, in this case W = 4.
k is a constant:
k = 1.38x10^(-23) J/K
then the entropy of this system will be:
S = (1.38x10^(-23) J/K)*ln(4) = 1.91x10^(-23) J/K
Then the correct option is C.
Answer:
C. 1.91 × 10–23 joules/kelvin
can i be marked brainiest, please? Explanation:
a spring-mass system has a spring constant of 3 n/m. a mass of 2 kg is attached to the spring, and the motion takes place in a viscous fluid that offers a resistance numerically equal to one times the magnitude of the instantaneous velocity. if the system is driven by an external force of 3 cos(3t) n, determine the steady state response.
Answers
The steady-state response of the spring-mass system driven by an external force of 3 cos(3t) N does not exist in this case.
Start by finding the equation of motion for the system. Since there is a viscous fluid offering resistance numerically equal to the magnitude of the instantaneous velocity, we can use the equation of motion for a damped harmonic oscillator:
\(m * d²x/dt² + b * dx/dt + k * x = F(t)\)
Where m is the mass (2 kg), b is the damping coefficient (1), k is the spring constant (3 N/m), x is the displacement, and F(t) is the external force.
Plug in the values into the equation of motion:
\(2 * d²x/dt² + dx/dt + 3 * x = 3 * cos(3t)\)
To find the steady-state response, we assume that the solution can be represented as x(t) = X * cos(ωt + φ), where X is the amplitude, ω is the angular frequency, and φ is the phase shift.
Differentiate the assumed solution twice with respect to time to find the second derivative:
\(d²x/dt² = -ω²X * cos(ωt + φ)\)
Substitute the assumed solution and its derivatives into the equation of motion:
\(-4ω²X * cos(ωt + φ) + X * cos(ωt + φ) + 3X * cos(ωt + φ) = 3 * cos(3t)\)
Group the cosine terms and equate them to find the amplitude of the steady-state response:
\((-4ω² + 1 + 3)X * cos(ωt + φ) = 3 * cos(3t)-4ω² + 4 = 3-4ω² = -1ω² = 1/4ω = ±1/2\)
Since the system is driven by a force with angular frequency 3, we take ω = 3. Substituting this value into the equation gives:
-4(3)² + 4 = 3
-36 + 4 = 3
-32 = 3
This equation is not possible, indicating that the steady-state response does not exist for this system under the given conditions.
The steady-state response of the spring-mass system driven by an external force of 3 cos(3t) N does not exist in this case.
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the equation of a wave to a wave to y=0·0055m The equation of a wave is y=0·005 Sin [x (0.5x - 200t) where x and y are in metres and it is in seconds. what is the velocity of the wave?
Answers
the velocity of the wave is 400m/s
The formula for the velocity of the wave is, V = w/k
where , w is the coefficient of t and k is the coefficient of x
now putting values we get, v = 200/0.5 = 400
Hence the velocity of the wave is 400 m/s
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Which of the following is defined as a force that pushes and pulls the current through the circuit? Group of answer choices D) resistance B) electricity A) current C) voltage
Answers
Answer:
C voltage
Explanation:
Voltage is the change in electric potential so basically current flows from high potential to low potential due to voltage.
Find Vn, Vout, and lout for the circuit shown below. Assume that the op amp is ideal. 6V 3ΚΩ www 1k02 www +5V 1.5mA -5V 2. Find Vn, Vout, and lout for the circuit shown below. Assume that the op amp is ideal. 6V 1k0 www 2.5KQ www +5V 3mA 2kQ www ΣΚΩ 4mA 5V 2k0 ww 8V 10k(2 -5V lout www-11 lout ww-11 Vou 5ΚΩ Vout ΣΚΩ
Answers
The voltage at the inverting terminal is 7.5 V. V out is -12.5 V. The current flowing through R4 is 0.5 mA.
Given that Vn, Vout, and lout for the circuit shown below and op amp is ideal.In the circuit, current I2 flows through the 2.5 kΩ resistor.
Therefore, the voltage drop across the 2.5 kΩ resistor is given by,
Vn = I2 x R2Vn = 3 mA x 2.5 kΩ = 7.5 V
Therefore, the voltage at the inverting terminal is 7.5 V.
Since op-amp is assumed to be ideal, no current flows into the inverting and non-inverting terminals.
Therefore, current through R3 is given by,
I3 = (Vn - Vout) / R3=> Vout = Vn - I3 x R3=> Vout = 7.5 V - 4 mA x 5 kΩ=> Vout = - 12.5 V
Therefore, Vout is -12.5 V.
Let's calculate the current flowing through R4:
This current will also flow through the 5 kΩ resistor.
Let lout be the current flowing through R4.
Therefore, current through the 5 kΩ resistor is also lout.
Now, I4 + lout = I3=> I4 = I3 - lout=> I4 = 4 mA - lout
Also, I4 = (5 V - Vout) / R4=> 4 mA - lout = (5 V - (-12.5 V)) / 5 kΩ=> 4 mA - lout = 3.5 mA=> lout = 0.5 mA
Therefore, lout is 0.5 mA.
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